Curfew was imposed from 12 noon yesterday to 6 am today.
A high-level official meeting scheduled this afternoon will assess the situation and will decide whether further imposition of curfew was necessary or not, sources said.
Prohibitory orders under Section 144 Cr Pc has been imposed throughout the district and would prevail till further orders, Kokrajhar Deputy Commissioner Donald Gilfellon said.
"The entire district is on a high alert and the district administration was taking all measures to prevent further escalation of violence," he said.
IGP (BTAD) S N Singh said that the army and para-military forces were assisting the police in controlling the situation which was under control though there were undercurrents of tension.
A strict vigil was being maintained in the sensitive areas and "we appeal to the people to maintain calm and not pay heed to any rumour," Singh said.
Nine persons have been killed in attacks and counter-attacks by Bodos and minority immigrants since the night of July 19.
Bodoland Territorial Council Chief Hagrama Mohilary has appealed to Chief Minister Tarun Gogoi to send additional security forces to control the situation.
